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Although the skills have a natural linear flow from one to the next, these PKM skills do not necessarily have to be used in any particular order.

虽然这些技巧存在一定的先后关系，但这种顺序关系在解决问题中并非必须。

Due to the ability of the bivalent magnesium cation to form stable chelate complexes with carbonyl compounds,magnesium methylate for example is used as a selective carbonyl condensing agent. Three synthesis routes was proposed based on literatures and comprehensive comparison with other ways. First,Magnesium methylate is prepared by reacting magnesium metal with dry methanol.The magnesium salts of"higher"primary alcohols,i.e.alcohols with ≥ 2 carbon atoms,do not react directly with pure alcohols under normal conditions.In fact catalysts are required to set the reaction in motion and the preparation is performed under pressure at the higher temperatures.

一、直接合成法：本文将镁与无水甲醇直接反应制得甲醇镁；"更高级"的醇（比如C≥ 2的醇）在无催化剂的条件下无法直接和镁进行反应，本文以CCl4为催化剂将无水乙醇与镁直接反应制得乙醇镁，但是以原甲酸三乙酯为催化剂无水乙醇与镁无法反应；不论是以CCl4为催化剂还是以原甲酸三乙酯为催化剂，丙醇均无法与镁直接反应。

Due to the ability of the bivalent magnesium cation to form stable chelate complexes with carbonyl compounds,magnesium methylate for example is used as a selective carbonyl condensing agent.Three synthesis routes was proposed based on literatures and comprehensive comparison with other ways.First,Magnesium methylate is prepared by reacting magnesium metal with dry methanol.The magnesium salts of higherprimary alcohols,i.e.alcohols with ≥ 2 carbon atoms,do not react directly with pure alcohols under normal conditions.In fact catalysts are required to set the reaction in motion and the preparation is performed under pressure at the higher temperatures.

一、直接合成法：本文将镁与无水甲醇直接反应制得甲醇镁；"更高级"的醇(比如C≥2的醇)在无催化剂的条件下无法直接和镁进行反应，本文以CCl_4为催化剂将无水乙醇与镁直接反应制得乙醇镁，但是以原甲酸三乙酯为催化剂无水乙醇与镁无法反应；不论是以CCl_4为催化剂还是以原甲酸三乙酯为催化剂，丙醇均无法与镁直接反应。

Remember, too, that Jeet Kune Do is merely a term, a label to be used as a boat to get one across; once across, it is to be discarded and not carried on one's back.

也请你记住，截拳道仅仅是一个术语，一个由你驾驶的通向自由之海的小船上的标签，一旦你到达了自由的彼岸，你就可以将它丢弃，因为你无须返回。

Optical mouse not to be used in bright light conditions, do not rate high in reflective mouse pad to use.

光电鼠标勿在强光条件下使用，也不要在反光率高的鼠标垫下使用。

You are fed up with Seo to groom, actually you also want to learn, just you do not want to spend money, I am understandable, but you say Seo grooms however is an otiose thing, that proves you are wrong, because have the person that learns truly only, just know to be used.

五、你讨厌seo培训，其实你也想学，只不过你不想花钱，我可以理解，但你却说seo培训是一个没有用的东西，那就证明你错了，因为只有真正学的人，才知道有没有用。

At that time, he would like to think that the milk may be less fun or do not remember drinking the blood and taste, stopped two days, I used breast pump suction out he was drinking. 2 days later, he was still unwilling to drink, they thought it was the wrong position, the change of posture (formerly lying in my legs, he歪着头, and now into his body with my body parallel).

当时想可能是他觉得奶水少喝着不过瘾或是想起有血的味道，就停了2天，我用吸奶器吸出来他到是喝的。2天以后他还是不肯喝，就以为是姿势不对，换了姿势（以前是平躺在我腿上，他歪着头，现在改成他的身体与我的身体平行）。

I did not accuse you of just how ruthless, how ungrateful , how the play fast and loose, because a woman my age, long overdue ...69, it was said that he would not put money out to buy a house used by Haiping is selfish , in fact, to me, and also can not do,...

我不 去指责你有多么的无情，多么的忘恩负义，多么的朝三暮四，因为到我这个年纪的女人，早就该。。。 69、有人说他不肯把钱拿出来借海萍买房用就是自私，其实，要我，也是做不到的，。。。

The supply contracts do not require a cosφ equal to one. The reactive power is also used by the transmission lines owner for controlling the voltages. Reactive component of current adds to The loads current and increases the voltage drops across network impedances.

无功功率的一部分由用户端消耗掉，剩下的成为网络的负载，供应需求中并不要求功率因数角等于1，无功功率同样被传输线路运营者用来控制传输电压。

We have used up almost all of our savings just to continue to pay the mortgage. We have just enough savings left to scrape by on our December payment. After that, I don't know what we will do if I can't find a job.

他说："为了偿付买房贷款，我们已经差不多花光了所有的储蓄，现在就剩下刚刚够付12月份的贷款的钱了，在那以后，我要是再找不到工作，真就不知道该怎么办了。"

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。